High-efficiency environment-friendly anti-oxidation coating processing device for aluminum alloy
By introducing a gas agitation mechanism into the aluminum alloy anodizing device, the movement of the electrolyte and the discharge of acidic substances are promoted, solving the problems of acid mist pollution and uneven film layer, and realizing efficient and environmentally friendly aluminum alloy anodizing processing.
Patent Information
- Application Number
- CN202520524324.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing anodizing equipment is prone to generating acid mist during operation, leading to environmental pollution. It also suffers from problems such as film ablation or loosening, ion concentration polarization, and uneven film.
The gas agitation mechanism uses a gas pump to drive high-pressure gas, which in turn drives the agitator to rotate, promoting the movement of the electrolyte, uniform temperature and ion concentration, reducing the impact of bubbles, and expelling acidified substances through airflow, thus achieving environmentally friendly treatment.
It improves the quality of the film layer, avoids film layer ablation and porosity, ensures the consistency of film layer growth rate, reduces environmental pollution, and realizes efficient and environmentally friendly aluminum alloy anodizing processing.
Smart Images

Figure CN223852811U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to aluminium alloy plating film technical field especially relates to a kind of aluminium alloy high-efficiency environmental protection oxidation-resistant plating film processing device. BACKGROUND
[0002] Aluminium alloy plating film is a process of oxidation treatment to aluminium alloy, now in order to improve plating film speed, electrochemical method is often used, i.e.
[0003] But the anodic oxidation device in prior art working process, acid mist is easily produced, these acid mist directly diffuses to surrounding environment, and is easy to cause pollution to surrounding environment, so it is needed to consider to design a kind of environmental protection type plating film processing device. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in prior art, and proposes a kind of aluminium alloy high-efficiency environmental protection oxidation-resistant plating film processing device, the device can promote electrolyte movement when being used, let its concentration and temperature be more uniform, and the surface bubble of workpiece in oxidation process is more quickly separated by shaking, improves the overall electrolysis effect, and has good environmental protection performance.
[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] A kind of aluminium alloy high-efficiency environmental protection oxidation-resistant plating film processing device, including electrolytic cylinder;Gas agitating mechanism, the gas agitating mechanism includes the gas pump of electrolytic cylinder front side installation, the bottom space left and right sides inner wall of electrolytic cylinder is fixedly connected with connecting plate, the rotating pipe is set on the connecting plate, the rotating pipe is rotatably connected with connecting plate, the exhaust end of gas pump extends to electrolytic cylinder interior, and is communicated with the lower end of rotating pipe by swivel joint, the upper end of rotating pipe is fixedly connected with rotating hollow disc, the outer side of rotating hollow disc is fixedly connected with multiple elbow pipes at equal intervals, the rotating hollow disc is communicated with rotating tube, and the rotating hollow disc is communicated with multiple elbow pipes;Suspension mechanism, the suspension mechanism is located in the upper of electrolytic cylinder.
[0007] Preferably, the top space of the electrolytic cylinder is communicated with an exhaust pipe.
[0008] Preferably, the suspension mechanism includes an L-shaped bracket fixedly connected to the upper end of the electrolytic cylinder, a hydraulic cylinder mounted on the upper end of the horizontal portion of the L-shaped bracket, a sealing plate fixedly connected to the extension end of the hydraulic cylinder and extending through the horizontal portion of the L-shaped bracket, and an electrically conductive hanger fixedly connected to the lower end of the sealing plate.
[0009] Preferably, the upper end of the rotating hollow disc is fixedly connected with multiple stirring rods.
[0010] Preferably, the bending directions of the plurality of the bent pipes are the same.
[0011] Preferably, an inner cylinder is arranged in the electrolysis cylinder, and the front and back sides of the inner cylinder are fixedly connected with the inner wall of the electrolysis cylinder through connecting strips.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The high-pressure gas driven by the air pump is discharged through the bent pipe, and drives the stirring rod to rotate, effectively promotes the movement of the electrolyte, not only avoids the film layer ablation or loose problem caused by the local temperature being too high in the anodic oxidation reaction, but also reduces the ion concentration polarization near the electrode, ensures the consistency of the film layer growth rate, at the same time, the movement of the liquid accelerates the separation of the gas bubble on the workpiece, improves the film layer quality, avoids the appearance of pinhole or dark spot. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 A structural schematic view of the aluminum alloy efficient and environment-friendly oxidation-resistant plating film processing device is provided.
[0015] Figure 2 For Figure 1 The left side schematic view of the aluminum alloy efficient and environment-friendly oxidation-resistant plating film processing device is provided.
[0016] Figure 3 For Figure 1 The upper and lower direction cross-sectional schematic view of the aluminum alloy efficient and environment-friendly oxidation-resistant plating film processing device is provided.
[0017] Figure 4 The rotating pipe, the connecting plate, the bent pipe and the plurality of stirring rods are connected.
[0018] In the drawing: 1 electrolysis cylinder, 2 L-shaped frame, 3 hydraulic cylinder, 4 sealing plate, 5 conductive hanger, 6 air pump, 7 exhaust pipe, 8 inner cylinder, 9 connecting strip, 10 connecting plate, 11 rotating pipe, 12 rotating joint, 13 rotating hollow disc, 14 stirring rod, 15 bent pipe. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0020] Referring to Figures 1-4The utility model relates to an aluminum alloy high -efficient environmental protection oxidation -resistant coating processing device, including electrolytic cylinder 1, electrolytic cylinder 1 is provided with heating module, is used for heating to suitable temperature, this is prior art, the top space of electrolytic cylinder 1 is communicated with exhaust pipe 7, the other end of exhaust pipe 7 is communicated with the prior waste gas treatment device, the inner wall of electrolytic cylinder 1 is provided with the cathode electrode of not showing, is connected with the negative pole of power module, and the electrically conductive hanger 5 is connected with the positive pole of power module,
[0021] Wherein, it further includes gas stirring mechanism, gas stirring mechanism includes gas pump 6 installed in electrolytic cylinder 1 front side, the bottom space of electrolytic cylinder 1 is fixedly connected with connecting plate 10 between left and right two inner walls, and the rotating pipe 11 is set through on connecting plate 10, and the rotating pipe 11 is rotatably connected with connecting plate 10, and the exhaust end of gas pump 6 extends to the inside of electrolytic cylinder 1, and is communicated with the lower end of rotating pipe 11 by rotary joint 12, and the upper end of rotating pipe 11 is fixedly connected with rotating hollow disc 13, and the outer side of rotating hollow disc 13 is fixedly connected with a plurality of elbow pipes 15 at equal intervals, and the bending direction of a plurality of elbow pipes 15 is same, and rotating hollow disc 13 is communicated with rotating pipe 11, and rotating hollow disc 13 is communicated with a plurality of elbow pipes 15,
[0022] Wherein, it further includes suspension mechanism, and suspension mechanism is located above electrolytic cylinder 1, and suspension mechanism includes L-shaped frame 2 fixedly connected on the upper end of electrolytic cylinder 1, and hydraulic cylinder 3 is installed on the upper end of the horizontal portion of L-shaped frame 2, and the telescopic end of hydraulic cylinder 3 penetrates the horizontal portion of L-shaped frame 2 and is fixedly connected with sealing plate 4, and the outer side of sealing plate 4 is provided with the sealing ring of not showing, further, it is provided with the oil system of not showing, realizes the telescopic of hydraulic cylinder 3, and the lower end of sealing plate 4 is fixedly connected with electrically conductive hanger 5, and the upper end of rotating hollow disc 13 is fixedly connected with a plurality of stirring rods 14,
[0023] Wherein, the inner wall of electrolytic cylinder 1 is provided with inner cylinder 8, and the front and rear sides of inner cylinder 8 are fixedly connected with the inner wall of electrolytic cylinder 1 through connecting strip 9, and the end head of a plurality of elbow pipes 15 is close to the inner wall of electrolytic cylinder 1, when it discharges gas, the gas will float to the gap between inner cylinder 8 and electrolytic cylinder 1, and finally float to the top space of electrolytic cylinder 1 (can avoid the influence of the floating bubble on workpiece electrolysis), and the stirring rod 14 part is extended to the inner side of inner cylinder 8.
[0024] In this invention, during use, the electrolyte level inside the electrolytic cylinder 1 is not higher than the height of the inner cylinder 8. The aluminum alloy workpiece to be processed is hung on the conductive hanger 5, and then the hydraulic cylinder 3 is activated to extend, causing the workpiece to move down into the electrolyte. At this time, the air pump 6 is activated. After the air pump 6 is activated, the high-pressure gas generated will pass through the pipeline and finally be discharged from multiple bends 15. When the high-speed gas is discharged from the multiple bends 15, it receives a reaction force, which can drive the bends 15 and the rotating hollow disk 13 to rotate, thereby realizing the rotation of multiple stirring rods 14. The rotation of the stirring rods 14 will promote the movement of the electrolyte. The anodic oxidation reaction is exothermic, and the liquid movement can avoid local overheating, prevent the film layer from being burned or loosened, and also reduce the polarization of ion concentration near the electrode, maintain the uniform distribution of ions, and ensure a consistent film growth rate. In addition, the liquid movement can also accelerate the detachment of bubbles on the workpiece, avoiding pinholes or dark spots in the film layer.
[0025] The injected gas eventually rises to the top and is discharged from exhaust pipe 7. The acid produced in the electrolysis reaction is also discharged with the gas flow, improving the overall environmental friendliness.
[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A high-efficiency, environmentally friendly, anti-oxidation coating processing device for aluminum alloys, characterized in that, Include: Electrolytic cylinder (1); Gas stirring mechanism, the gas stirring mechanism includes the gas pump (6) installed in electrolytic cylinder (1) front side, the bottom space left and right sides inner wall of electrolytic cylinder (1) is fixedly connected with connecting plate (10), the rotating pipe (11) is arranged on connecting plate (10) and passes through, the rotating pipe (11) is rotatably connected with connecting plate (10), the exhaust end of gas pump (6) extends to the inside of electrolytic cylinder (1), and is communicated with the lower end of rotating pipe (11) through rotary joint (12), the upper end of rotating pipe (11) is fixedly connected with rotating hollow disc (13), the outer side of rotating hollow disc (13) is fixedly connected with multiple elbow pipes (15) at equal intervals, rotating hollow disc (13) is communicated with rotating pipe (11), and rotating hollow disc (13) is communicated with multiple elbow pipes (15); Suspension mechanism, the suspension mechanism is located above electrolytic cylinder (1).
2. The aluminum alloy high-efficiency environmentally friendly oxidation-resistant plating film processing device according to claim 1, characterized in that, The top space of electrolytic cylinder (1) is communicated with exhaust pipe (7).
3. The aluminum alloy high-efficiency environmentally friendly oxidation-resistant plating film processing device according to claim 1, characterized in that, The suspension mechanism includes L-shaped frame (2) fixedly connected on the upper end of electrolytic cylinder (1), the hydraulic cylinder (3) is installed on the upper end of the horizontal part of L-shaped frame (2), the telescopic end of hydraulic cylinder (3) penetrates the horizontal part of L-shaped frame (2), and is fixedly connected with sealing plate (4), the lower end of sealing plate (4) is fixedly connected with electrically-conductive hanger (5).
4. The aluminum alloy high-efficiency environmentally friendly oxidation-resistant plating film processing device according to claim 1, characterized in that, The upper end of rotating hollow disc (13) is fixedly connected with multiple stirring rods (14).
5. The aluminum alloy high-efficiency environmentally friendly oxidation-resistant plating film processing device according to claim 1, characterized in that, The bending direction of multiple elbow pipes (15) is same.
6. The aluminum alloy high-efficiency environmentally friendly oxidation-resistant plating film processing device according to claim 1, characterized in that, The inner cylinder (8) is arranged in electrolytic cylinder (1), and the front and back sides of the inner cylinder (8) are fixedly connected with the inner wall of electrolytic cylinder (1) through connecting strips (9).